CE: 6815 CF: cag032162072


Diversity and evolution of arvenses species in sugarcane (Saccharum officinarum) in Sancti Spíritus

Diversidad y evolución de especies arvenses en caña de azúcar (Saccharum officinarum) en la provincia Sancti Spíritus


Vidal Francisco Blanco, Osmany Cruz Coca, Hugo Aragón Labrada, Evelio Concepción Cruz y Ricardo Rábago Machín

Instituto de Investigaciones de la caña de azúcar, Guayos, Sancti Spíritus. Carretera Tres Palmas, km 1 1⁄2, Guayos Sancti Spíritus, Cuba.

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Weeds are the factor that most affects sugarcane yields in Cuba. A planting non-free of weeds within 120 days after planting or harvest loses more than 30 % of agricultural output. It is important to know which are the predominant species in each field to select more effective treatments and the necessary inputs. The work was done with the database of weeds that frequent the cane fields in the province of Sancti Spíritus of two Business Units Base (Uruguay and Melanio Hernandez) with all its production units between 2006 and 2013 more 4800 fields, was made through a survey carried out weeds in sugarcane producing units, all this information is processed through software PC Weeds, resulting in the presence of 19 species (2 are very fre- quent, 4 rare and 13 accidental). As for the frequency of 4 species increase, decrease 10 species and stable 5 species.

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